When Sam (pay)…………………. The bill, we left the restaurant and went home.

(a)  

It wasn’t surprising that she was tired .She (not sleep)………………….. for two days.

(a)  

The road was blocked because a lorry (break down)………………………..

(a)  

My mother felt very nervous on the plane because she (not fly)………………..before.

(a)  

……………………………….(they/go) home when you arrived?

(a)  

I (hear)……………the story before , so I didn’t find it very interesting.

(a)  

After she (try on)…………………….. all the dresses in the shop, she bought the most expensive one.

(a)  

They (not have)………………..breakfast when I got up.

(a)  

The children were very excited because they (not see)………………….a tiger before.

(a)  

After Nick (do)………………..his homework , he (go)………………..to bed last night.

(a)  

Mai (live)……………..in Hai Phong for five years before she (move)…………… to Ha Noi three years ago.

(a)  

Phong (tell)……………..me yesterday that he (learn)……………..French for a year.

(a)  

Ms Hong (work)……………….at our school for twenty years before she (retire)………….last June.

(a)  

By the time I (get)………………….to Nick’s house , his party (already/start)……………..

(a)  

When we (come) ………………………..back to our home village last month , it (change)……………………………so much.

(a)  

By the time the bus (come)……………this morning, Duong (wait)………………..for it for half an hour.

(a)  

Mary types letters in the office.

(a)  

His father will help you tomorrow.

(a)  

Science and technology have completely changed human life.

(a)  

Peter broke this bottle.

(a)  

They are learning English in the room.

(a)  

Nothing can change my mind.

(a)  

Has Tom finished the work?

(a)  

Did the teacher give some exercises?

(a)  

Have they changed the window of the laboratory?

(a)  

Is she going to write a poem?

(a)  

Is she making big cakes for the party?

(a)